Now that GamePress has a large dataset to work with, we can finally address some of the questions that long lingered on our minds. Our question today is:

Do Pokemon get some movesets more often than others?

To answer this, we sifted through our catch attempt database once again and sorted each Pokemon by their movesets. We plotted the starting movesets of all species of Pokemon that were encountered at least 100 times (see below) to visualize our data. We also ran a chi-square test for every sighted Pokemon, to check for any statistically significant deviations in their moveset distributions.

Our analysis suggests that all possible movesets are equally likely for wild pokemon.

Pokemon Moveset Distribution

These are pie charts of every Pokemon that was encountered at least 100 times:

Our hypothesis was that for each Pokemon, all of their non-legacy movesets are equally likely to occur.

To check for statistical significance, we ran a chi-square test for every sighted Pokemon. This test looks at the the amount of times a moveset occurred in our sample and checks if that amount is statistically unlikely.

#

Pokemon

Encounters

p-value

1

Bulbasaur

305

0.295213

2

Ivysaur

1

0.525678

4

Charmander

106

0.576888

5

Charmeleon

70

0.210231

6

Charizard

16

0.623388

7

Squirtle

859

0.037688

10

Caterpie

107

0.208842

11

Metapod

2

1.000000

12

Butterfree

3

0.913070

13

Weedle

139

0.552691

14

Kakuna

11

0.131668

16

Pidgey

4299

0.320530

17

Pidgeotto

29

0.154345

18

Pidgeot

6

0.849145

19

Rattata

101

0.941217

20

Raticate

1

0.525678

21

Spearow

107

0.688460

23

Ekans

53

0.073647

25

Pikachu

604

0.537089

26

Raichu

25

0.543671

27

Sandshrew

393

0.339479

28

Sandslash

7

0.938802

29

Nidoran ♀

561

0.901379

30

Nidorina

368

0.869775

31

Nidoqueen

39

0.362182

32

Nidoran ♂

1039

0.101412

33

Nidorino

363

0.335390

34

Nidoking

46

0.289662

35

Clefairy

744

0.695012

36

Clefable

153

0.042158

37

Vulpix

2

0.751212

39

Jigglypuff

177

0.273109

40

Wigglytuff

124

0.503966

41

Zubat

205

0.582874

43

Oddish

37

0.201303

44

Gloom

4

0.699986

46

Paras

511

0.542394

47

Parasect

206

0.396072

48

Venonat

624

0.889867

49

Venomoth

309

0.316750

50

Diglett

122

0.622148

51

Dugtrio

166

0.210969

52

Meowth

14

0.921163

54

Psyduck

2275

0.943904

55

Golduck

4

0.984748

56

Mankey

1

0.525678

58

Growlithe

196

0.134144

59

Arcanine

228

0.055718

60

Poliwag

891

0.825878

61

Poliwhirl

450

0.767433

62

Poliwrath

83

0.108107

63

Abra

128

0.681941

64

Kadabra

121

0.831740

65

Alakazam

14

0.335020

66

Machop

153

0.812867

67

Machoke

8

0.751212

68

Machamp

22

0.849145

69

Bellsprout

473

0.742268

70

Weepinbell

316

0.643587

71

Victreebel

40

0.578555

72

Tentacool

183

0.090984

73

Tentacruel

5

0.653842

74

Geodude

250

0.224839

75

Graveler

12

0.849145

76

Golem

31

0.601546

77

Ponyta

3

0.913070

79

Slowpoke

353

0.777135

80

Slowbro

183

0.570848

81

Magnemite

383

0.065062

82

Magneton

448

0.017979

84

Doduo

3

0.913070

85

Dodrio

3

0.913070

86

Seel

4

0.699986

88

Grimer

721

0.570975

89

Muk

18

0.376568

90

Shellder

159

0.877053

91

Cloyster

49

0.189332

92

Gastly

198

0.188970

93

Haunter

479

0.967458

94

Gengar

19

0.636700

95

Onix

1

0.525678

96

Drowzee

4

0.699986

98

Krabby

529

0.650573

102

Exeggcute

200

0.318224

103

Exeggutor

307

0.025745

104

Cubone

108

0.581833

105

Marowak

59

0.220640

108

Lickitung

3

0.415880

109

Koffing

6

0.606531

111

Rhyhorn

6

0.962566

114

Tangela

120

0.102797

116

Horsea

467

0.503273

117

Seadra

1

0.525678

118

Goldeen

76

0.104939

119

Seaking

7

0.026966

120

Staryu

884

0.575093

121

Starmie

170

0.676420

126

Magmar

1

0.525678

127

Pinsir

14

0.677972

128

Tauros

24

0.549416

129

Magikarp

3471

1.000000

131

Lapras

62

0.954389

133

Eevee

1119

0.994249

134

Vaporeon

325

0.552199

136

Flareon

1

0.513417

137

Porygon

1

0.525678

138

Omanyte

432

0.780673

139

Omastar

20

0.269219

140

Kabuto

525

0.111831

141

Kabutops

23

0.426585

143

Snorlax

404

0.946950

147

Dratini

764

0.934202

148

Dragonair

372

0.844209

149

Dragonite

82

0.741265

The vast majority of the dataset has a p-value above 0.05, which is not statistically significant to reject our hypothesis. While there are five cases with p < 0.05, this is to be expected when running > 100 independent tests. In addition, it is highly unlikely that Niantic would choose five seemingly arbitrary Pokemon to have non-uniform movesets. Considering this and our large sample size for many different species, we believe that for each species of Pokemon, movesets are equally distributed.

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